Adjust motor operational noise by changing carrier frequency settings. Power transistors (IGBT) in the
inverter generate and supply high frequency switching voltage to the motor. The switching speed in this
process refers to the carrier frequency. If the carrier frequency is set high, it reduces operational noise
from the motor, and if the carrier frequency is set low, it increases operational noise from the motor.
Below are advantages and disadvantages according to the sound of the inverter during operation.
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